TELEPHONE FLAT
OperatingPower plant
- Capacity
- 55 MW
- County
- Siskiyou County
- Operator
- CALPINE CORPORATION
- Status
- Operating
- EIA plant ID
- 55846
- Coordinates
- 41.5633, -121.5708
TELEPHONE FLAT, a 55 MW power plant in Siskiyou County, California. Operated by CALPINE CORPORATION.
Weather peril exposure
TELEPHONE FLAT is a 55 MW power plant in Siskiyou County, CA, operated by CALPINE CORPORATION. Siskiyou County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.9 of 5 at the 23rd national percentile. Wildfire is the leading peril, rated Relatively High by FEMA at the 98th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to this plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Siskiyou County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively High | 98th | 4.9 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 97th | 4.9 of 5 | 1.0 |
| Earthquake | Relatively Low | 88th | 4.5 of 5 | 0.02 |
| Heat wave | Relatively Low | 66th | 3.7 of 5 | 5.9 |
| Hail | Very Low | 16th | 1.6 of 5 | 0.12 |
| Lightning | Relatively Low | 7th | 1.3 of 5 | 11.7 |
| Strong wind | Very Low | 2nd | 1.1 of 5 | 0.04 |
| Winter weather | Relatively Moderate | 2nd | 1.1 of 5 | 29.7 |
| Tornado | Very Low | 2nd | 1.1 of 5 | 0.04 |
Perils not assessed in Siskiyou County
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Hurricane | FEMA rating is "Not Applicable" for this county |
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
| Ice storm | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Siskiyou County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.